Creator
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club23
- Oregon State University. Extension Service19
- Oregon State College. Extension Service17
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)13
- Osu Forestry Alumni Association10
- Oregon State University. College Of Forestry9
- Oregon State University. Agricultural Experiment Station8
- Osu Oregon Forestry Alumni Association8
- Lane County Historical Society (Or.)7
- United States. Forest Service7
- Forest Products Laboratory (U.S.)6
- Oregon Agricultural College. Experiment Station6
- U.S. International Biological Program. Coniferous Forest Biome6
- Davis, Curtiss O.5
- Oregon Agricultural College5
- Oregon State College. Agricultural Experiment Station5
- Oregon State University. Water Resources Research Institute5
- Osc Oregon Forestry Alumni Association5
- Pacific Marine Fisheries Commission5
- Arnone, Robert A.4